Disable Ctrl+Alt+Backspace to restart X in Gnome
On default Gnome Desktop, users can restart X using Ctrl+Alt+Backspace. To avoid it you can try this tips.
First you need to backup your xorg.conf file using the following command :
$ sudo cp /etc/X11/xorg.conf /etc/X11/xorg.conf.backup
Now you need to edit the file using the following command :
$ sudo vi /etc/X11/xorg.conf
Add the following lines at the end of xorg.conf file :
Section “ServerFlags”
Option “DontZap” “yes”
EndSection
Save the edited file using :x
Now users can't restarting your X using Ctrl+Alt+Backspace :)
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